Sidney Chastang, MD
Internal Medicine Physician · Marietta, GA
Sidney Chastang, MD is an internal medicine physician with a practice address in Marietta, Georgia, and NPI 1720077225, issued on Oct 18, 2005. Check the license on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sidney Chastang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1121 Johnson Ferry RD Ste 205, Marietta, GA 30068
- Phone
- (770) 485-3837
- Enumerated
- Oct 18, 2005
- Entity
- Type 1 · individual
Verify Sidney Chastang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
15% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,359 Medicare Part D claims for 170 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 117 claims were for opioids.
Most prescribed
- Amlodipine Besylate122 claims
- Losartan Potassium101 claims
- Levothyroxine Sodium100 claims
- Rosuvastatin Calcium70 claims
- Atorvastatin Calcium57 claims
- Lisinopril56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $116.79
6 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
185 internal medicine physician records list a Marietta practice address
They are 185 of the 6,900 NPPES records with a Marietta practice address, and 4,653 internal medicine physician records in Georgia.
All 185 in Marietta → All 4,653 in Georgia → Every provider in Marietta →
Other internal medicine physician records in Georgia
- Karam A.alabed, MDRome, GA1871410969
- Ugochi Abazie, M.DRiverdale, GA1700634870
- Muhammad Abbasi, M.D.Covington, GA1962496893
- Rahat AbbasiAugusta, GA1578057261
- Diane Abby Burr, D.O.Carrollton, GA1255374278
- Bsmah Abdalslam, M.DAustell, GA1598013492
- Eltigani Abdelhai, MDGainesville, GA1538233531
- Maged Abdelmalik, M.D.Folkston, GA1770558470
- Mohammed Abdu, MDAtlanta, GA1760696520
- Maher Abdulla, M.D.Warner Robins, GA1316997489
Common questions
What is Sidney Chastang, MD's NPI number?
Sidney Chastang, MD's National Provider Identifier (NPI) is 1720077225, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sidney Chastang, MD located?
The NPPES record lists a practice address at 1121 Johnson Ferry RD Ste 205, Marietta, GA, 30068. Phone: (770) 485-3837. Providers update this record themselves, so call before visiting.
How can I verify Sidney Chastang, MD's license?
Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sidney Chastang, MD prescribe under Medicare Part D?
In 2024, Sidney Chastang, MD had 2,359 Medicare Part D claims for 170 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.